<template>
  <div class="components-container">
    <el-button 
      type="primary" 
      @click="dialogTableVisible = true">open a Drag Dialog</el-button>
    <el-dialog 
      v-el-drag-dialog 
      :visible.sync="dialogTableVisible" 
      title="Shipping address" 
      @dragDialog="handleDrag">
      <el-select 
        ref="select" 
        v-model="value" 
        placeholder="请选择">
        <el-option 
          v-for="item in options" 
          :key="item.value" 
          :label="item.label" 
          :value="item.value"/>
      </el-select>
      <el-table :data="gridData">
        <el-table-column 
          property="date" 
          label="Date" 
          width="150"/>
        <el-table-column 
          property="name" 
          label="Name" 
          width="200"/>
        <el-table-column 
          property="address" 
          label="Address"/>
      </el-table>
    </el-dialog>
  </div>
</template>

<script>
import elDragDialog from '@/directive/el-dragDialog' // base on element-ui

export default {
  name: 'DragDialogDemo',
  directives: { elDragDialog },
  data() {
    return {
      dialogTableVisible: false,
      options: [
        { value: '选项1', label: '黄金糕' },
        { value: '选项2', label: '双皮奶' },
        { value: '选项3', label: '蚵仔煎' },
        { value: '选项4', label: '龙须面' }
      ],
      value: '',
      gridData: [{
        date: '2016-05-02',
        name: 'John Smith',
        address: 'No.1518,  Jinshajiang Road, Putuo District'
      }, {
        date: '2016-05-04',
        name: 'John Smith',
        address: 'No.1518,  Jinshajiang Road, Putuo District'
      }, {
        date: '2016-05-01',
        name: 'John Smith',
        address: 'No.1518,  Jinshajiang Road, Putuo District'
      }, {
        date: '2016-05-03',
        name: 'John Smith',
        address: 'No.1518,  Jinshajiang Road, Putuo District'
      }]
    }
  },
  methods: {
    // v-el-drag-dialog onDrag callback function
    handleDrag() {
      this.$refs.select.blur()
    }
  }
}
</script>
